<h1>Login</h1>
<form action="/authenticate" method="post">
  <div class="form-group">
    <label for="username">
      Username
    </label>
    <input type="text" class="form-control" name="username" placeholder="Username">
  </div>
  <div class="form-group">
    <label for="password">
      Password
    </label>
    <input type="password" class="form-control" name="password" placeholder="Password">
  </div>

  <button type="submit" class="btn btn-primary">Login</button>
</form> 
